How many valence electrons are there in Se atom?
2 answers:
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is more basic than
in imidazole.
Imidazole have two nitrogen attached in the ring at .
This compound is an aromatic compound as it have π electrons which means lone pair electrons of
nitrogen atom also takes part in π
system.
Thus when a proton attacks on this compound it easily attacks at rather than
.
After the attack of ion at
the conjugate base thus formed is also aromatic and hence is more stable.
If the proton had attacked at the conjugate base would not be aromatic and its stability will decrease.
The reaction is shown in the image attached
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